Engine Testing - Service Tools
ST-434
Vacuum Gauge
Used to check fuel filter or intake air restriction.
ST-435-6
Pressure Gauge
Included in snap rail pressure gauge, Part No. 3375932. Used
to measure fuel pressure.
ST-1111-3
Manometer
Used with tool, Part No. 3375150, for measuring blowby.
ST-1135
Lubricating Oil Sampling Filter
Used to monitor oil contamination.
ST-1273
Pressure Gauge
Used to measure intake manifold pressure.
3375275
Pressure Gauge (0-160 psi)
Used to measure lubricating oil pressure.
Engine Testing Engine Testing - Service Tools
N14 Page 8-7
The following special tools are recommended to perform procedures in Section 8. The use of these
tools is shown in the appropriate procedure. These tools can be purchased from your local
Cummins Authorized Repair Location.
Tool No. Tool Description Tool Illustration